<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="公告编号" prop="id">
        <el-input v-model="queryParams.id" placeholder="请输入公告编号" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="标题" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入标题" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="发布时间" prop="publishTime">
        <el-date-picker clearable v-model="queryParams.publishTime" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择发布时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="发布人姓名" prop="publisher">
        <el-input v-model="queryParams.publisher" placeholder="请输入发布人姓名" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="公告内容" prop="content">
        <el-input v-model="queryParams.content" placeholder="请输入公告内容" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="公告状态" prop="status">
        <el-input v-model="queryParams.status" placeholder="请输入公告状态" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="删除时间" prop="deleteTime">
        <el-date-picker clearable v-model="queryParams.deleteTime" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择删除时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="编辑时间" prop="editTime">
        <el-date-picker clearable v-model="queryParams.editTime" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择编辑时间">
        </el-date-picker>
      </el-form-item>
      <br>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['announcement:announcement:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['announcement:announcement:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['announcement:announcement:remove']">删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['announcement:announcement:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="announcementList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="公告编号" align="center" prop="id" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="发布时间" align="center" prop="publishTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.publishTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="发布人姓名" align="center" prop="publisher" />
      <!-- <el-table-column label="公告内容" align="center" prop="content" /> -->
      <el-table-column label="公告内容" align="center" prop="content">
        <!-- 使用 v-slot 替代 slot-scope -->
        <template v-slot="scope">
          <span class="ellipsis">{{ truncate(scope.row.content, 20) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="公告状态" align="center" prop="status" />
      <el-table-column label="删除时间" align="center" prop="deleteTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.deleteTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="编辑时间" align="center" prop="editTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.editTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['announcement:announcement:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['announcement:announcement:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改公告管理对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="announcementRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="发布时间" prop="publishTime">
          <el-date-picker clearable v-model="form.publishTime" type="date" value-format="YYYY-MM-DD"
            placeholder="请选择发布时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="发布人姓名" prop="publisher">
          <el-input v-model="form.publisher" placeholder="请输入发布人姓名" />
        </el-form-item>
        <el-form-item label="公告内容" prop="content">
          <el-input v-model="form.content" placeholder="请输入公告内容" />
        </el-form-item>
        <el-form-item label="公告状态" prop="status">
          <el-input v-model="form.status" placeholder="请输入公告状态" />
        </el-form-item>
        <el-form-item label="删除时间" prop="deleteTime">
          <el-date-picker clearable v-model="form.deleteTime" type="date" value-format="YYYY-MM-DD"
            placeholder="请选择删除时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="编辑时间" prop="editTime">
          <el-date-picker clearable v-model="form.editTime" type="date" value-format="YYYY-MM-DD" placeholder="请选择编辑时间">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<style>
.ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
</style>

<script setup name="Announcement">
import { listAnnouncement, getAnnouncement, delAnnouncement, addAnnouncement, updateAnnouncement } from "@/api/announcement/announcement";

const { proxy } = getCurrentInstance();

const announcementList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    id: null,
    title: null,
    publishTime: null,
    publisher: null,
    content: null,
    status: null,
    deleteTime: null,
    editTime: null
  },
  rules: {
    title: [
      { required: true, message: "标题不能为空", trigger: "blur" }
    ],
    publishTime: [
      { required: true, message: "发布时间不能为空", trigger: "blur" }
    ],
    publisher: [
      { required: true, message: "发布人姓名不能为空", trigger: "blur" }
    ],
    content: [
      { required: true, message: "公告内容不能为空", trigger: "blur" }
    ],
    status: [
      { required: true, message: "公告状态不能为空", trigger: "blur" }
    ],
    // deleteTime: [
    //   { required: true, message: "删除时间不能为空", trigger: "blur" }
    // ],
    editTime: [
      { required: true, message: "编辑时间不能为空", trigger: "blur" }
    ]
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询公告管理列表 */
function getList() {
  loading.value = true;
  listAnnouncement(queryParams.value).then(response => {
    announcementList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

function truncate(text, maxLength = 20) {
  if (text && text.length > maxLength) {
    return text.slice(0, maxLength) + '...';
  }
  return text || ''; // 如果文本是undefined或null，则返回空字符串  
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    title: null,
    publishTime: null,
    publisher: null,
    content: null,
    status: null,
    deleteTime: null,
    editTime: null
  };
  proxy.resetForm("announcementRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加公告管理";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getAnnouncement(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改公告管理";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["announcementRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateAnnouncement(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addAnnouncement(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除公告管理编号为"' + _ids + '"的数据项？').then(function () {
    return delAnnouncement(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => { });
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('announcement/announcement/export', {
    ...queryParams.value
  }, `announcement_${new Date().getTime()}.xlsx`)
}

getList();
</script>
